import java.util.Scanner;

class Key_error extends Exception {
    public Key_error(String E) {
        super(E);
    }
}

public class By_i_want_yichang {

    public static void main(String[] args) throws Key_error{
        Scanner scanner = new Scanner(System.in);
        String key = "hadage";
        System.out.println("亲输入棉麻");
        String input = scanner.nextLine();
        if (!key.equals(input)) {
            throw new Key_error("密码错误");
        }
        System.out.println("pass");
    }
}
